Gretna is located in Louisiana. Gretna, Louisiana 70056has a population of 25,388. Gretna 70056 is more family-centric than the surrounding county with 31.64% of the households containing married families with children. The county average for households married with children is 25.58%.
The median household income in Gretna, Louisiana 70056 is $54,186. The median household income for the surrounding county is $58,638 compared to the national median of $69,021. The median age of people living in Gretna 70056 is 34.1 years.
The average high temperature in July is 91.7 degrees, with an average low temperature in January of 44.3 degrees. The average rainfall is approximately 65.4 inches per year, with 0.1 inches of snow per year.
